CN116811142A

CN116811142A - Injection mold

Info

Publication number: CN116811142A
Application number: CN202310969484.XA
Authority: CN
Inventors: 戴辉林; 刘国春; 骆大君; 温文芳
Original assignee: Shanghai Zenner Precision Die Co ltd
Current assignee: Shanghai Zenner Precision Die Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2023-09-29

Abstract

The application relates to the technical field of injection molds and discloses an injection mold, which comprises a lower mold, wherein an upper mold is arranged at the top of the lower mold, the bottom of the upper mold is attached to the top of the lower mold, a first cavity is formed in the bottom of the upper mold, an injection hole penetrating vertically is formed in the center of the upper surface of the first cavity, a second cavity is formed in the center of the top of the lower mold, the second cavity corresponds to the first cavity, guide rods are fixedly connected to the left side and the right side of the bottom of the upper mold, guide holes are formed in the left side and the right side of the top of the lower mold, and the guide rods are inserted into the guide holes; the injection mold pushes the bottom end of the upper mold to be attached to the top end of the lower mold through the injection head of the external injection molding machine in use, and the guide rod is inserted into the guide hole in the attaching process, so that the upper mold and the lower mold are accurately positioned, and the positioning stability is good.

Description

Injection mold

Technical Field

The application relates to the technical field of injection molds, in particular to an injection mold.

Background

Injection molding refers generally to injection molding. Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.

However, the operation of the fixed mounting of most of the existing injection molds is complicated when the injection molding machine is used, the positioning stability is poor, so that the self-locking of the upper mold and the lower mold cannot be realized when the injection molding machine presses down the injection molding material, the injection molding quality is influenced, and meanwhile, the demolding between the upper mold and the lower mold is inconvenient to assist when the existing injection molds are used, so that the demolding after the injection molding is difficult, and the injection molds are inconvenient to use.

Disclosure of Invention

The application mainly solves the technical problem of providing an injection mold, which can solve the problems in the background technology.

In order to solve the technical problems, according to one aspect of the application, an injection mold comprises a lower mold, wherein an upper mold is arranged at the top of the lower mold, the bottom of the upper mold is attached to the top of the lower mold, a first cavity is formed at the bottom of the upper mold, an injection hole penetrating vertically is formed in the center of the upper surface of the first cavity, a second cavity is formed in the center of the top of the lower mold, the second cavity corresponds to the first cavity, guide rods are fixedly connected to the left side and the right side of the bottom of the upper mold, guide holes are formed in the left side and the right side of the top of the lower mold, the guide rods are inserted into the guide holes, fixing plates are fixedly connected to the centers of the left side and the right side of the lower mold, left and right penetrating mounting grooves are formed in the fixing plates, the upper surface of the inside of the mounting groove is communicated with the outside, the lower surface of the inside of the guide hole is provided with an inner groove II, one side of the inner groove II away from the center of the inside of the lower die is communicated with the inside of the mounting groove, mounting holes are formed in the centers of the front surface and the rear surface of the inside of the mounting groove, a first rotating rod is arranged in the mounting groove, limit grooves are formed in the centers of the front end and the rear end of the first rotating rod, a mounting assembly is arranged between the inside of the limit grooves and the inside of the mounting hole, the first rotating rod is movably connected with the mounting groove through the mounting assembly, a clamping rod is fixedly connected to the top of the first rotating rod, a left-right penetrating through hole is formed above the inside of the clamping rod, a clamping block is rotationally connected to the inside of the through hole through the second rotating rod, clamping grooves are formed in the centers of the left side and the right side of the upper die, and the clamping block is close to one side joint of the internal center of the upper die is in the draw-in groove is inside, the dwang is close to one side fixedly connected with pendulum rod of the internal center of lower die, just the top of pendulum rod is close to one side of the internal center of lower die is located inside second inside the inside groove, and with the bottom laminating of guide bar, the pendulum rod bottom is located inside jack one of having seted up of mounting groove, jack one is inside to be connected with the extrusion rod through the dwang three rotations, jack two is seted up in the internal lower surface center department of mounting groove, jack two is inside to be connected with the loop bar through the dwang four rotations, the spout has been seted up inside the loop bar, just the inside upper surface of spout with the inside intercommunication of mounting groove, the inside sliding connection of spout has the slider, slider bottom with be provided with between the inside lower surface of spout spring two, just the top and the bottom of spring two respectively with the bottom of slider with the inside lower surface laminating of spout, the bottom of extrusion rod is in the spout just laminating mutually inside the slider.

Still further, the installation component is including pegging graft the inside installation pole of spacing groove, the installation pole is inside to be located a plurality of evenly distributed's inside groove I has been seted up to the spacing inslot, one inside keeping away from one side of the inside center department of installation pole with the inside intercommunication of spacing groove, a round continuous recess has been seted up to the spacing groove inside wall, one inside sliding connection of inside groove has the sliding plate, the sliding plate is kept away from one side fixedly connected with connecting block of the inside center department of installation pole, the connecting block is kept away from one side fixedly connected with installation piece of the inside center department of installation pole, just the installation piece joint is in inside the recess, and with recess swing joint, the sliding plate is close to one side of the inside center department of installation pole with one inside being close to one side of the inside center department of installation pole is fixedly connected with spring I, the installation pole is kept away from one end of the inside center department of installation pole runs through the mounting hole.

Furthermore, one end of the mounting rod, which is far away from the center of the inside of the mounting groove, penetrates through the mounting hole, and the center is fixedly connected with a handle rod.

Further, the clamping block is close to one side of the center of the inner portion of the upper die and is located in the clamping groove to be arranged in an arc shape.

Further, the top end of the extrusion rod and the bottom end of the loop rod are both arranged in an arc shape.

Further, the injection hole is matched with the injection head of the external injection molding machine.

Further, the mounting block is arranged in a semicircular shape.

The injection mold has the beneficial effects that:

when the injection mold is used, the bottom end of the upper mold is pushed to be attached to the top end of the lower mold by pushing down the injection head of the external injection molding machine, and the guide rod is inserted into the guide hole in the attaching process, so that the upper mold and the lower mold are accurately positioned, and the positioning stability is good;

when the injection mold is used, the clamping rod and the clamping block are driven to be clamped in the clamping groove through the swinging rod after being extruded, so that the upper mold and the lower mold are fixedly installed, and the self-locking between the upper mold and the lower mold can be realized, so that the injection mold is convenient to use and good in use effect;

when the injection mold is used, after injection molding, the clamping rod can be rotated to drive the swing rod to rotate to lift the guide rod to assist in demolding, so that demolding between the upper mold and the lower mold is simpler, and the practicality of the injection mold is higher.

Drawings

The application will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic view of a partial front sectional structure of an injection mold according to the present application;

FIG. 2 is an enlarged schematic view of the injection mold of FIG. 1A according to the present application;

FIG. 3 is an enlarged schematic view of the injection mold of FIG. 1 at B according to the present application;

fig. 4 is a schematic diagram of a partial side sectional enlarged structure of a fixing plate of an injection mold according to the present application.

In the figure: 1. a lower die; 2. a fixing plate; 3. a mounting groove; 4. rotating the first rod; 5. a mounting assembly; 501. a mounting rod; 502. an inner groove I; 503. a first spring; 504. a sliding plate; 505. a connecting block; 506. a groove; 507. a mounting block; 508. a handle bar; 6. a clamping rod; 7. a through hole; 8. a second rotating rod; 9. a clamping block; 10. an upper die; 11. a mounting hole; 12. a guide rod; 13. a guide hole; 14. a first chamber; 15. injection molding holes; 16. a second chamber; 17. a clamping groove; 18. an inner groove II; 19. swing rod; 20. rotating a rod III; 21. a jack I; 22. an extrusion rod; 23. a slide block; 24. a chute; 25. a loop bar; 26. a rotating rod IV; 27. a second jack; 28. a second spring; 29. and a limit groove.

Detailed Description

The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

As shown in fig. 1-4, according to one aspect of the present application, there is provided an injection mold, including a lower mold 1, an upper mold 10 is disposed at the top of the lower mold 1, the bottom of the upper mold 10 is attached to the top of the lower mold 1, a first cavity 14 is disposed at the bottom of the upper mold 10, an injection hole 15 penetrating vertically is disposed at the center of the upper surface inside the first cavity 14, a second cavity 16 is disposed at the center of the top of the lower mold 1, the second cavity 16 corresponds to the first cavity 14, guide rods 12 are fixedly connected to the left and right sides of the bottom of the upper mold 10, guide holes 13 are disposed at the left and right sides of the top of the lower mold 1, guide rods 12 are inserted into the guide holes 13, a fixing plate 2 is fixedly connected to the center of the left and right sides of the lower mold 1, a mounting groove 3 penetrating vertically is disposed inside the fixing plate 2, and the upper surface inside the mounting groove 3 is communicated with the outside, an inner groove II 18 is formed in the lower surface of the inside of the guide hole 13, one side of the inner groove II 18, which is far away from the center of the inside of the lower die 1, is communicated with the inside of the mounting groove 3, mounting holes 11 are formed in the centers of the front surface and the rear surface of the inside of the mounting groove 3, a rotating rod I4 is arranged in the mounting groove 3, limiting grooves 29 are formed in the centers of the front end and the rear end of the rotating rod I4, a mounting assembly 5 is arranged between the inside of the limiting grooves 29 and the inside of the mounting hole 11, the rotating rod I4 is movably connected with the mounting groove 3 through the mounting assembly 5, the top of the rotating rod I4 is fixedly connected with a clamping rod 6, a through hole 7 penetrating from left to right is formed in the upper portion of the inside of the clamping rod 6, a clamping block 9 is rotatably connected with the inside of the through hole 7 through the rotating rod II 8, clamping grooves 17 are formed in the centers of the left side and the right side of the left side of the upper die 10, one side of the clamping block 9, which is close to the center of the inside of the upper die 10, is clamped inside the clamping groove 17, one side of the first rotating rod 4, which is close to the inner center of the lower die 1, is fixedly connected with a swing rod 19, one side of the top of the swing rod 19, which is close to the inner center of the lower die 1, is positioned in the second inner groove 18 and is jointed with the bottom end of the guide rod 12, a first jack 21 is formed in the bottom of the swing rod 19, the first jack is rotationally connected with a extrusion rod 22 through a third rotating rod 20, a second jack 27 is formed in the center of the inner lower surface of the installation groove 3, a sleeve rod 25 is rotationally connected with the second jack 27 through a fourth rotating rod 26, a sliding groove 24 is formed in the sleeve rod 25, the inner upper surface of the sliding groove 24 is communicated with the inner lower surface of the installation groove 3, a sliding block 23 is slidingly connected in the sliding groove 24, a second spring 28 is arranged between the bottom of the sliding block 23 and the inner lower surface of the sliding groove 24, the top and the bottom of the second spring 28 are respectively jointed with the bottom of the sliding block 23 and the inner lower surface of the sliding groove 24, the bottom end of the extrusion rod 22 is inserted into the chute 24 and is attached to the top of the sliding block 23, when the extrusion rod is in operation, the injection head of an external injection molding machine is inserted into the injection hole 15 to push the bottom end of the upper die 10 to attach to the top end of the lower die 1, the guide rod 12 is inserted into the guide hole 13 in the attaching process to accurately position the upper die 10 and the lower die 1, the positioning stability is better, the guide rod 12 is inserted into the guide hole 13 to extrude the swing rod 19 in the inner groove II 18, the swing rod 19 is extruded to rotate under the rotation action of the rotating rod I4, the extrusion rod 22 which rotates with the swing rod 19 is driven to rotate to extrude the sliding block 23 after the swing rod 19 is rotated, the sliding block 23 is extruded to move the extrusion spring II 28 in the chute 24, and adaptation extrusion rod 22's rotation under the spacing that extrusion rod 22 rotates extrusion in-process loop bar 25 through the rotation with jack two 27 is connected, then rotation rod one 4 rotates and drives clamping rod 6 and fixture block 9 and rotate, and rotate through the effect of rotating rod one 4 at fixture block 9 pivoted in-process through with the rotation connection of through-hole 7 can peg graft and make between mould 10 and lower mould 1 in clamping groove 17 inside, and can realize the auto-lock between mould 10 and the lower mould 1, so just can make this injection mould convenient to use, and the result of use is better, then rotate clamping rod 6 when carrying out the drawing of patterns after injection moulding and make fixture block 9 remove from clamping groove 17 inside, and make extrusion rod 22 rotate and drive 19 through the effect rotation of first 4 of clamping rod, then the pendulum rod 19 rotates and extrude the drawing of patterns of assisting mould 10 through rotating rod 12, so can drive 19 through rotating rod 6 and rotate and jack up to carry out the jack-up to guide rod 12 when the injection moulding, thereby make and dismantle the practicality can be dismantled more than the practicality is better with the simple pendulum rod 10 and then with the rotation rod 1, and make and the practicality is dismantled more than the practicality is better with the simple and can be used for the rotation rod 1, and the practicality is dismantled and is more convenient for the setting up and is 4.

In this embodiment, the installation component 5 includes an installation rod 501 inserted in the interior of the limit groove 29, a plurality of evenly distributed first inner grooves 502 are formed in the interior of the installation rod 501 and located in the interior of the limit groove 29, one sides of the interior of the first inner grooves 502, which are far away from the inner center of the installation rod 501, are communicated with the interior of the limit groove 29, a circle of continuous grooves 506 are formed in the inner side walls of the limit groove 29, sliding plates 504 are slidably connected in the interior of the first inner grooves 502, one sides of the sliding plates 504, which are far away from the inner center of the installation rod 501, are fixedly connected with connecting blocks 505, one sides of the connecting blocks 505, which are far away from the inner center of the installation rod 501, are fixedly connected with installation blocks 507, the installation blocks 507 are clamped in the grooves 506 and are movably connected with the grooves 506, springs 503 are fixedly connected between one sides of the sliding plates 504, which are close to the inner center of the installation rod 501, and one sides of the inner grooves 502, which are close to the inner center of the installation rod 501, one end of the mounting rod 501 far away from the center of the inside of the mounting groove 3 penetrates through the mounting hole 11, when the mounting assembly 5 is used for disassembling the rotating rod one 4, the mounting rod 501 inserted in the limiting groove 29 is moved firstly, the mounting block 507 inserted in the groove 506 is extruded when the mounting rod 501 is moved, then the mounting block 507 is extruded and then contracted with the sliding plate 504 and the spring one 503 through the extrusion connecting block 505, the mounting rod 501 can be moved out of the limiting groove 29 after the mounting block 507 is extruded and contracted, the limiting of the rotating rod one 4 by the mounting block 507 is eliminated, the mounting rod 501 is disconnected with the rotating rod one 4, then the rotating rod one 4 can be moved out of the mounting groove 3 after the mounting rod 501 is completely moved out of the limiting groove 29, so that the rotating rod one 4 is convenient to disassemble, and during reinstallation, the first rotating rod 4 is inserted into the installation groove 3 and corresponds to the installation hole 11, then the installation rod 501 is inserted into the limit groove 29, and the installation block 507 is clamped into the groove 506 during insertion, so that the use is convenient.

In this embodiment, one end of the mounting rod 501 far from the center of the inside of the mounting groove 3 penetrates through the mounting hole 11, and a handle rod 508 is fixedly connected to the center, so that the movement of the mounting rod 501 is facilitated through the handle rod 508 during operation.

In this embodiment, the clamping block 9 is close to one side of the inner center of the upper mold 10 and is located in the clamping groove 17 to be in an arc shape, so that the clamping block 9 and the clamping groove 17 can be conveniently clamped and separated during operation.

In this embodiment, the top end of the extrusion rod 22 and the bottom end of the sleeve rod 25 are both arc-shaped, which facilitates the rotation of the extrusion rod 22 and the sleeve rod 25 during operation.

In this embodiment, the injection hole 15 is adapted to an injection head of an external injection molding machine, and the injection head of the external injection molding machine is mounted in the mounting hole 11 to perform injection molding on the injection mold during operation.

In this embodiment, the mounting block 507 is arranged in a semicircular shape, which is convenient for mounting and dismounting the mounting block 507 and the groove 506 and for rotating the mounting block 507 inside the groove 506 during operation.

The working principle of the device is as follows: when in use, the bottom end of the upper die 10 is pushed to be attached to the top end of the lower die 1 by pushing down in the injection hole 15 through the injection head of the external injection molding machine, the guide rod 12 is inserted in the guide hole 13 in the attaching process to enable the upper die 10 to be positioned accurately and enable the positioning stability to be better, then the guide rod 12 is inserted in the guide hole 13 to extrude the swing rod 19 in the inner groove II 18, the swing rod 19 is extruded to enable the swing rod 19 to rotate under the rotation action of the rotating rod I4, then the swing rod 19 rotates to drive the extruding rod 22 rotating with the swing rod to rotate to extrude the sliding block 23, the sliding block 23 is extruded to move the extruding spring II 28 in the sliding groove 24, the sleeve rod 25 is adapted to the rotation of the extruding rod 22 under the limit of the rotating connection with the inserting hole II 27 in the extruding process of the extruding rod 22, then the first rotating rod 4 rotates to drive the clamping rod 6 and the clamping block 9 to rotate, in the process of rotating the clamping block 9, the clamping rod 9 can be inserted into the clamping groove 17 through the rotating connection with the through hole 7 to fixedly mount the upper die 10 and the lower die 1, and the self-locking between the upper die 10 and the lower die 1 can be realized, so that the injection mold is convenient to use and good in use effect, then the clamping rod 6 rotates to enable the clamping block 9 to move out of the clamping groove 17 when the demolding is carried out after the injection molding, and the extrusion rod 22 rotates to drive the swinging rod 19 to rotate under the action of the first rotating rod 4 under the action of the rebound force of the spring 28 which is originally extruded after the clamping block 9 moves from the clamping groove 17, then the swinging rod 19 rotates to extrude the guide rod 12 to assist the demolding of the upper die 10, so this injection mold can drive pendulum rod 19 through rotation clamping rod 6 and rotate after injection molding and carry out the jacking to guide bar 12 and assist the drawing of patterns when using to make the drawing of patterns between upper mold 10 and the bed die 1 comparatively simple, and make this injection mold practicality stronger, dwang one 4 can dismantle through installation component 5 simultaneously, and dwang one 4 can drive pendulum rod 19 and squeeze lever 22 and dismantle after dismantling, and then convenient to detach overhauls and changes, and makes the practicality stronger.

Of course, the above description is not intended to limit the application, but rather the application is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the application will be within the scope of the application.

Claims

1. Injection mold, comprising a lower mold (1), characterized in that: the top of the lower die (1) is provided with an upper die (10), the bottom of the upper die (10) is attached to the top of the lower die (1), a first cavity (14) is formed in the bottom of the upper die (10), an injection hole (15) penetrating from top to bottom is formed in the center of the upper surface of the first cavity (14), a second cavity (16) is formed in the center of the top of the lower die (1), the second cavity (16) corresponds to the first cavity (14), guide rods (12) are fixedly connected to the left side and the right side of the bottom of the upper die (10), guide holes (13) are formed in the left side and the right side of the top of the lower die (1), guide rods (12) are inserted into the guide holes (13), a fixing plate (2) is fixedly connected to the center of the left side and the right side of the lower die (1), a left side and right side of the fixing plate (2) are internally provided with mounting grooves (3), the inner upper surfaces of the mounting grooves (3) are communicated with the outside, guide rods (12) are fixedly connected to the left side and the right side of the bottom of the upper die (1), the two inner grooves (18) are formed in the center of the inner grooves (3), the inner grooves (3) are far away from the center of the inner grooves (3), the utility model discloses a rotary rod device, which is characterized in that a rotary rod I (4) is arranged in the installation groove (3), limiting grooves (29) are respectively formed in the centers of the front end and the rear end of the rotary rod I (4), an installation component (5) is arranged between the inside of the limiting grooves (29) and the inside of the installation hole (11), the rotary rod I (4) is movably connected with the installation groove (3) through the installation component (5), a clamping rod (6) is fixedly connected to the top of the rotary rod I (4), a left-right penetrating through hole (7) is formed in the upper part of the inside of the clamping rod (6), a clamping block (9) is rotatably connected to the inside of the through hole (7) through a rotary rod II (8), clamping grooves (17) are formed in the centers of the left side and the right side of the upper die (10), one side, close to the inner center of the upper die (10), of the clamping block (9) is clamped inside the clamping grooves (17), one side, close to the inner center of the lower die (1), of the rotating rod I (4) is fixedly connected with a swinging rod (19), one side, close to the inner center of the lower die (1), of the top of the swinging rod (19) is located inside the inner groove II (18) and is attached to the bottom end of the guide rod (12), one inserting hole I (21) is formed in the bottom of the swinging rod (19) and located inside the mounting groove (3), the novel plastic extrusion device is characterized in that an extrusion rod (22) is rotationally connected to the inside of the first inserting rod hole through a third rotating rod (20), a second inserting hole (27) is formed in the center of the lower surface inside the mounting groove (3), a sleeve rod (25) is rotationally connected to the inside of the second inserting hole (27) through a fourth rotating rod (26), a sliding groove (24) is formed in the inside of the sleeve rod (25), the upper surface inside the sliding groove (24) is communicated with the inside of the mounting groove (3), a sliding block (23) is slidingly connected to the inside of the sliding groove (24), a second spring (28) is arranged between the bottom of the sliding block (23) and the lower surface inside the sliding groove (24), the top end and the bottom end of the second spring (28) are respectively attached to the bottom of the sliding block (23) and the lower surface inside of the sliding groove (24), and the bottom end of the extrusion rod (22) is inserted into the sliding groove (24) and attached to the top of the sliding block (23).

2. An injection mold according to claim 1, wherein: the installation component (5) is including pegging graft in installation pole (501) inside spacing groove (29), installation pole (501) inside is located a plurality of evenly distributed's inside groove (502) have been seted up inside spacing groove (29), inside keeping away from one side of installation pole (501) inside center department with spacing groove (29) inside communicates with each other, continuous recess (506) have been seted up to spacing groove (29) inside wall, inside sliding connection of inside groove (502) has sliding plate (504), sliding plate (504) keep away from one side fixedly connected with connecting block (505) of installation pole (501) inside center department, connecting block (505) keep away from one side fixedly connected with installation piece (507) of installation pole (501) inside center department, just installation piece (507) joint is in inside recess (506) and with recess (506) swing joint, sliding plate (504) are close to one side of installation pole (501) inside center department with one side of inside groove (502) is close to one side of installation pole (501) inside is located one side fixedly connected with connecting block (507) between the inside installation pole (501) center department of installing hole (3).

3. An injection mold according to claim 2, wherein: one end of the mounting rod (501) far away from the inner center of the mounting groove (3) penetrates through the mounting hole (11), and a handle rod (508) is fixedly connected to the center.

4. An injection mold according to claim 1, wherein: the clamping block (9) is close to one side of the inner center of the upper die (10) and is arranged in the clamping groove (17) in an arc shape.

5. An injection mold according to claim 1, wherein: the top end of the extrusion rod (22) and the bottom end of the loop rod (25) are both arranged in an arc shape.

6. An injection mold according to claim 1, wherein: the injection hole (15) is matched with the injection head of the external injection molding machine.

7. An injection mold according to claim 2, wherein: the mounting block (507) is arranged in a semicircular shape.